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All results from a given calculation for NH4Cl (Ammonium chloride)

using model chemistry: HF/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/6-31G*
 hartrees
Energy at 0K-516.257802
Energy at 298.15K 
HF Energy-516.257802
Nuclear repulsion energy48.417971
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HF/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3693 3318 5.38 104.79 0.04 0.08
2 A1 2744 2466 1035.31 401.69 0.38 0.55
3 A1 1274 1144 199.93 0.84 0.01 0.01
4 A1 184 165 9.77 0.54 0.40 0.57
5 E 3826 3438 10.40 62.62 0.75 0.86
5 E 3826 3438 10.40 62.62 0.75 0.86
6 E 1841 1654 28.88 10.55 0.75 0.86
6 E 1841 1654 28.88 10.55 0.75 0.86
7 E 700 629 110.90 1.80 0.75 0.86
7 E 700 629 110.90 1.80 0.75 0.86
8 E 244 219 22.61 5.36 0.75 0.86
8 E 244 219 22.61 5.36 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10558.5 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 9486.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HF/6-31G*
ABC
6.39374 0.13459 0.13459

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.984
Cl2 0.000 0.000 1.235
H3 0.000 0.934 -2.351
H4 0.809 -0.467 -2.351
H5 -0.809 -0.467 -2.351
H6 0.000 0.000 -0.059

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.21981.00311.00311.00311.9258
Cl23.21983.70563.70563.70561.2940
H31.00313.70561.61741.61742.4749
H41.00313.70561.61741.61742.4749
H51.00313.70561.61741.61742.4749
H61.92581.29402.47492.47492.4749

picture of Ammonium chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 H6 Cl2 180.000 H3 N1 H4 107.460
H3 N1 H5 107.460 H3 N1 H6 111.415
H4 N1 H5 107.460 H4 N1 H6 111.415
H5 N1 H6 111.415
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -1.031      
2 Cl -0.342      
3 H 0.360      
4 H 0.360      
5 H 0.360      
6 H 0.293      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -4.700 4.700
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.129 0.000 0.000
y 0.000 -20.129 0.000
z 0.000 0.000 -14.736
Traceless
 xyz
x -2.697 0.000 0.000
y 0.000 -2.697 0.000
z 0.000 0.000 5.393
Polar
3z2-r210.786
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.162 0.000 0.000
y 0.000 2.162 0.000
z 0.000 0.000 3.737


<r2> (average value of r2) Å2
<r2> 84.155
(<r2>)1/2 9.174